In astronomy the term "red shift" denotes the extent to which light from a distant galaxy has been shifted toward the red, or long-wave, end of the light spectrum by the rapid motion of the galaxy away from the Earth.
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Ato which light from a distant galaxy has been shifted
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Bto which light from a distant galaxy has shifted
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Cthat light from a distant galaxy has been shifted
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Dof light from a distant galaxy shifting
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Eof the shift of light from a distant galaxy
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正确答案: A